#include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
int a[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,cnt,j=1;
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];
    sort(a+1,a+n+1);
    cnt=n;
    for(int i=2;i<=n;i++){
        if(a[i]>a[j]){
            cnt--;
            j++;
        }
    }
    cout<<cnt;
    return 0;
}
